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Effects of Asphaltene Content in Atmospheric Residue and Mean Pore Size of Catalyst on Initial Deactivation of Hydrodesulfurization Catalyst
Hydrotreating Atmospheric residue Catalyst deactivation rate
2009/7/24
(HDS) of atmospheric residue (AR) over Ni-Co-Mo catalysts supported on γ-alumina was carried out to examine the effect of alumina pore size on HDS activity, hydrodemetallization (HDM) activity and ini...
Promotion of Catalytic Activities and Suppression of Deactivation by Water in the Hydrotreatment of Atmospheric Residue
Atmospheric residue Hydrotreating Water addition Hydrodesulfurization
2009/7/24
Water was added to extend the continuous run of the atmospheric residue hydrotreatment process in bench plant and autoclave tests for improvement of catalyst life. Addition of water increased the ca...
Involvement of Asphaltene Decomposition in the Rapid Deactivation of Hydrodesulfurization Catalysts under Conditions for Deep Desulfurization of Atmospheric Residue
Hydrodesulfurization catalyst Atmospheric residue hydrotreating
2009/7/24
The effect of asphaltene (ASP) decomposition on catalyst deactivation under deep desulfurization conditions was investigated by reduction of sulfur from 0.3 to 0.1 mass% in a treated atmospheric resi...
Promotion of Catalytic Activity and Suppression of Deactivation by Solvent Addition in the Hydrotreating of Atmospheric Residue
Atmospheric residue Hydrotreating Water addition Hydrodesulfurization
2009/7/24
The effect of addition of several solvents on atmospheric residue (AR) hydrotreating was examined in the autoclave test. Higher hydrodesulfurization (HDS) activity was obtained by adding solvents in t...